Baseball Hall of Fame 2019: After all 425 ballots counted, voting shows Yankees' Mariano Rivera elected unanimously with 3 others
Two Yankees Elected To Cooperstown; Mariano Rivera First Unanimous - The Runner Sports
Mariano Rivera becomes the first Baseball Hall of Fame unanimous selection - Los Angeles Times
2019 MLB Hall of Fame: Mariano Rivera, Roy Halladay lead class - Sports Illustrated
Rivera, Mussina, Halladay, Martinez earn Baseball Hall immortality
Mariano Rivera could be the first unanimous Hall of Famer in baseball history
Baseball Hall of Fame 2019: After all 425 ballots counted, voting shows Yankees' Mariano Rivera elected unanimously with 3 others
Mariano Rivera - Wikipedia
With Mariano Rivera in, who is the next MLB Hall of Famer to get 100 percent of the vote?